更多"有如下程序:
#include <iostream>
usin"的相关试题:
[填空题]有如下程序:
#include <iostream>
using namespace std;
class ONE
{
public:
virtual void f( ) { cout << "1"; }
};
class TWO: public ONE
{
public:
TWO( ) { cout << "2"; }
};
class THREE: public TWO
{
public:
virtual void f( ) {TWO::f( ); cout << "3"; }
};
int main( )
{
ONE aa, *p;
TWO bb;
THREE cc;
p=&cc;
P->f( );
return 0;
}
执行上面程序的输出是 【11】 。